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PE 1&2 > Chapter 3- Energy Systems > Flashcards

Chapter 3- Energy Systems Flashcards

1
Q

What enzyme breaks down PC

A

Creatine kinease

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2
Q

How much of the energy created is used for ATP resynthesis

A

25%

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3
Q

Duration of ATP-PC system

A

10 seconds

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4
Q

Duration of anaerobic glycolysis system

A

75 seconds

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5
Q

Duration of aerobic glycolysis

A

Until exercise stops

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6
Q

By-product/s of ATP-PC system

A

Inorganic phosphate ( Pi )

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7
Q

By-product/s of Anaerobic glycolysis system

A

Lactic acid, hydrogen ions

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8
Q

By-product/s of Aerobic glycolysis system

A

Carbon dioxide, water, heat ( CO2, H2O )

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9
Q

Endothermic reactions….

A

Use energy

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10
Q

Exothermic reactions…

A

Make energy

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11
Q

Fuel of ATP-PC system

A

Phosphocreatine

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12
Q

Fuel of Anaerobic glycolysis system

A

Carbohydrates

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13
Q

Fuel for Aerobic glycolysis system

A

Carbohydrates, fats, proteins

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14
Q

Yield ratio of ATP-PC

A

1:1

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15
Q

Yield ratio anaerobic glycolysis

A

1:2

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16
Q

Yield ratio aerobic glycolysis

A

1:36-38

17
Q

In anaerobic glycolysis: Glycogen is broken down into

A

Glucose

18
Q

In anaerobic glycolysis: glucose is broken down into

A

Pyruvic acid

19
Q

In aerobic glycolysis Pyruvate is broken down into

A

Acetyl-Co-A, citric acid

20
Q

ATP-PC by-products

A

Inorganic Phosphate (non-fatigue causing)

21
Q

Anaerobic glycolysis by-products

A

Lactic acid

22
Q

Aerobic glycolysis by-products

A

Carbon dioxide and water (CO2, H2O)

23
Q

Dominant system while standing still

A

Aerobic glycolysis

24
Q

Dominant system in majority of 400m running race

A

Anaerobic

25
Q

Aerobic glycolysis uses what fuel during maximal exercise shorter duration

A

Carbohydrates

26
Q

What enzyme breaks down ATP

A

ATPase

27
Q

What is the structure of an enzyme

A

Chain of amino acids called a polypeptide

28
Q

What is energy continuum

A

The relative contribution of all three energy systems to the resynthesis of ATP (all systems work at all times)

29
Q

Which system has very high intensity and very short duration

A

ATP-PC

30
Q

Which system has high intensity but short duration

A

Anaerobic glycolysis

31
Q

Which system has moderate intensity and long duration

A

Aerobic glycolysis

32
Q

Carbohydrates are stored as…

A

Glycogen, glucose

33
Q

Fats are stored as

A

Triglycerides, fatty acids, adipose tissue

34
Q

Protein is stored as

A

Amino acids

35
Q

Examples of carbs in food

A

Sugars and starches found in fruit, cereal, bread, pasta and vegetables.

36
Q

Where are carbs stored

A

Muscle, liver, blood, around the body

37
Q

Protein is stored

A

Muscle, blood, around the body

38
Q

Fats are stored

A

Around the body

PE 1&2 (2 decks)

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